SLUBBING  DYED  WITH  ANTHRACENE  CHROME  BLUE  RWN 
BY  THE  ONE -BATH  CHROMATE  PROCESS 


Cassella  Color  Company 

<£€>7.2. 

36o0 


PAT. 


Franklin  Institute  Library 

PHILADELPHIA 

Class. 


ion„A.A..y..A.£ 


Accession 

REFERENCE 


Book..C.2.ZL 

O 


GIVEN  BY 


Slubbing  dyed  with  Anthracene  Chrome  Blue  RWN  pat. 
by  the  One- Bath  Chromate  Process. 


m 

■&C  j 


■4 


No  1 


3 °/o  Anthracene  Chrome  Blue  RWN  pat. 

1.5  °/°  bichrome 


No  2 


4 °/o  Anthracene  Chrome  Blue  RWN  pat. 
2 °/o  bichrome 


No  3 


3 °/o  Anthracene  Chrome  Blue  RWN  pat. 

0.5  °/o  Anthracene  Chromate  Green  KFF 

extra  pat. 


1.75  °/o  bichrome 


No  4 


2 °/o  Anthracene  Chrome  Blue  RWN  pat. 

2 °/o  Anthracene  Chromate  Blue  XR  pat. 
2 °/o  bichrome 


Directions  for  Dyeing: 

Charge  the  bath  of  about  50 — 60°  C.  (120 — 140°  F.)  with  the  well 
dissolved  dyestuff  and  2 — 3°/o  acetic  acid  8°  Tw.  Enter  the  material  at  the 
temperature  stated,  raise  to  the  boil  after  a short  while,  and  after  V2  horn’s 
boding  add  the  the  necessary  quantity  of  bichrome  in  a dilute  form,  after  having 
previously  shut  off  the  steam  or  cooled  off  the  bath  to  some  extent.  Here- 
after raise  again  to  the  boil  and  continue  boihng  for  1 hour;  if  necessary  ex- 
haust the  bath  by  adding  acetic  acid*. 


* The  acetic  acid  may  to  advantage  be  substituted  with  formic  acid ; 5 parts  acetic 

M 5-  &b8 

5f ftiAL-  1 


THE  GET  - CENTER 
LIBRARY 


80  Tw.  correspond  about  with  1 part  formic  acid  85%. 


Without  guarantee. 


>««•«••  C c 


C c •«  t< 


No  3609. 


